Eleanor LawsonWest Midlands
By Will Standring and Alice Gledhill。夫子对此有专业解读
。快连下载-Letsvpn下载对此有专业解读
You look at a region of the image. If all the pixels are roughly the same color (below some threshold), you store the average color for the whole region as a single value. If the pixels vary too much, you split the region into four quadrants and try again.
EventTarget: addEventListener() — MDN Web Docs (capture phase)，更多细节参见WPS下载最新地址